CN104594802A - Hydraulic combined impact hammer drilling machine - Google Patents
Hydraulic combined impact hammer drilling machine Download PDFInfo
- Publication number
- CN104594802A CN104594802A CN201410740085.7A CN201410740085A CN104594802A CN 104594802 A CN104594802 A CN 104594802A CN 201410740085 A CN201410740085 A CN 201410740085A CN 104594802 A CN104594802 A CN 104594802A
- Authority
- CN
- China
- Prior art keywords
- jump bit
- combined hydraulic
- hydraulic jump
- rig
- bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 230000009977 dual effect Effects 0.000 claims description 16
- 239000010720 hydraulic oil Substances 0.000 claims description 15
- 241000219098 Parthenocissus Species 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 4
- 230000005641 tunneling Effects 0.000 claims description 4
- 238000002788 crimping Methods 0.000 claims description 3
- 239000011435 rock Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/16—Plural down-hole drives, e.g. for combined percussion and rotary drilling; Drives for multi-bit drilling units
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a hydraulic combined impact hammer drilling machine and relates to the field of engineering pile driver devices. The hydraulic combined impact hammer drilling machine comprises a power source, an integrated machine frame, a walking mechanism, a posture mechanism, a liftable reel pipe mechanism, an upper power head, a lower power head, a winch, a drilling rig clamper and a hydraulic combined impact hammer drilling bit. Track walking is adopted by the walking mechanism. The walking mechanism is driven by a hydraulic reducer. The integrated machine frame is installed on a body of the walking mechanism. The power source, the posture mechanism, the power heads, the liftable reel pipe mechanism and the hydraulic combined impact hammer drilling bit are installed on the integrated machine frame. The hydraulic combined impact hammer drilling machine can complete construction operation independently, solves the problems that during traditional construction, a pile foundation is in contact with a rock stratum, and construction is difficult and is high in construction efficiency and low in cost, the practicability and the flexibility of the hydraulic combined impact hammer drilling machine are greatly improved, and the application range of the hydraulic combined impact hammer drilling machine is greatly widened.
Description
Technical field
The invention discloses a kind of Combined hydraulic jump bit rig, relate to engineering piling machine equipment field.
Background technology
In current lithosphere pile foundation facility work in the world, construction technology and rig cannot reach low cost, high efficiency construction target.Along with the progress of society, more and more higher to the shockproof requirement of building, and stake machine get in lithosphere be solve the shockproof best method to fundamental importance.Conventional construction equipment efficiency of construction in lithosphere is extremely low, high to the performance requirement of machinery own, and construction limitation is large.
Summary of the invention
The present invention is to provide the multifunction hydraulic engineering driller that uses hydraulic impact hammer bit operation, in order to solve in the pile foundation construction on existing lithosphere and wooden dipper stone stratum, drilling equipment construction technology and construction ability cannot reach low cost, high efficiency construction target, conventional construction driving rig efficiency of construction in lithosphere or large wooden dipper stone stratum is extremely low, and there is the large problem of construction limitation.
For achieving the above object, the present invention is by the following technical solutions:
A kind of Combined hydraulic jump bit rig, comprises dual power source, integral-rack 7, creeper undercarriage 8, attitude mechanism, liftable pipe-reeling device 6, upper unit head 9, lower unit head 11, hoist engine 5, drilling tool clamper 2, Combined hydraulic jump bit drill bit 12; It is characterized in that: described creeper undercarriage 8, is driven by hydraulic speed reducer, integral-rack 7 is installed on described creeper undercarriage 8; Integral-rack 7 is provided with dual power source, attitude mechanism, upper unit head 9, lower unit head 11, liftable pipe-reeling device 6, Combined hydraulic jump bit drill bit 12; Dual power source, hoist engine 5 and liftable pipe-reeling device 6 are positioned at integral-rack 7 rear portion, and dual power source provides power for rig, and hoist engine 5 and liftable pipe-reeling device 6 are simultaneously for rig provides counterweight; Described attitude mechanism is positioned at the front portion of integral-rack 7, and attitude mechanism comprises attitude principal arm 4, attitude rotary body 3 and attitude large arm 1; Upper unit head 9 is arranged in attitude large arm 1, and is driven by hydraulic jack, and upper unit head 9 is along attitude large arm 1 horizontal cross and move up and down; Drilling tool clamper 2 is arranged on attitude large arm 1 lower end, loads and unloads drilling rod 10; Lower unit head 11 is connected at the bottom of the hole of the boring that rig bores by drilling rod 10, drive Combined hydraulic jump bit drill bit 12 to rotate; Combined hydraulic jump bit drill bit 12 is positioned at the bottom of the hole of the boring that rig bores, to realize drilling construction by drilling rod 10 connection.
Rig uses Combined hydraulic jump bit drill bit 12 to carry out construction operation.
Combined hydraulic jump bit drill bit 12 is made up of one or more groups hydraulic impact hammer module, and hydraulic impact hammer module can also can each module independently use in molar behavior use.
Described power source is dual power source, comprises power source I13, power source II14; Wherein power source I13 drives the execution working cell of whole rig, comprise that creeper undercarriage 8 is walked, attitude mechanism carries out pose adjustment, upper unit head 9 rotates, lower unit head 11 rotates, rising of liftable pipe winding mechanism 6 pipe crimping, Combined hydraulic jump bit drill bit 12 is pulled out, and drilling tool clamper 2 clamps; At the bottom of power source II14 drive hole, Combined hydraulic jump bit drill bit 12 works.
Described liftable pipe-reeling device 6 is the raise-lower hydraulic oil pipe device of identical tension, along with the direction of motion of Combined hydraulic jump bit drill bit 12 at the bottom of hole rises or decline hydraulic oil pipe; Whole pipe winding mechanism can overallly rise or decline to facilitate transport.
Upper unit head 9 drives drilling rod 10 to load and unload; Lower unit head 11 drives Combined hydraulic jump bit drill bit 12 to rotate, and to realize drilling rod 10 and hydraulic oil pipe probes into bottom drill hole of drilling machine can not rotate with Combined hydraulic jump bit drill bit 12, but Combined hydraulic jump bit drill bit 12 needs the function that rotates.
Upper unit head 9 energy sidesway overturns to the side of attitude large arm 1, to facilitate transport simultaneously.
Drilling tool clamper 2 is can the clamper of opening-closing structure, makes major diameter drill bit when landing by drilling tool clamper 2.
The boring mud of discharging in boring procedure is discharged, so unit head 9 is equipped with scum pipe device on rig by Pump breath countercirculate or pumping normal circulation technology.
Rig uses Combined hydraulic jump bit bit operation, and hydraulic means at the bottom of the holes such as hydraulic pressure Double-wheel milling also can be used to carry out diaphragm wall tunneling construction.
Lithosphere driving rig has following main points:
1. this TV station rig You Liangge major function district, two functional areas are driven by two power units; One of them power unit drives the execution working cell of whole rig (comprise revolution pressurization to creep into, rise and pull out drilling tool, clamp, walking, various gesture actions).Combined hydraulic jump bit bit operation at the bottom of another power unit drive hole.
2. this TV station rig is owing to wanting Combined hydraulic jump bit bit operation at the bottom of drive hole, and drill bit continues to creep into downwards or upwards rise to pull out motion.So rig is assembled with the hydraulic oil pipe device of the lifting of a set of identical tension, it can rise along with the direction of motion of hydraulic pressure down-the-hold drill bit at the bottom of hole or fall hydraulic oil pipe.
3. this rig will probe into foot of hole with combination jump bit drill bit owing to there being a lot of root hydraulic oil pipe.So drilling rod and hydraulic oil pipe can not rotate, but bit part also needs to creep into, so be provided with a hydraulic gyration driving mechanism at drill bit top, mechanism rotates to reach as passive support drive hydraulic impact hammer by drilling rod at the bottom of hole creeps into object
4. this rig discharges the boring mud of discharging in boring procedure, so drill power head is equipped with the device of scum pipe by Pump breath countercirculate or pumping normal circulation technology.
5. this rig can equip hydraulic pressure percussion-rotary drilling head, and can also equip hydraulic means at the bottom of the holes such as hydraulic pressure Double-wheel milling carries out diaphragm wall tunneling construction simultaneously.
By such scheme, the present invention at least has the following advantages: can complete independently construction operation, change the problem that traditional construction pile foundation runs into the constructional difficulties such as lithosphere, efficiency of construction is high, cost is low, considerably increase practicality and the flexibility of equipment, the range of application of equipment is increased greatly.
Above-mentioned explanation is only general introduction of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural front view of Combined hydraulic jump bit rig;
Fig. 2 is the structure side view of Combined hydraulic jump bit rig;
Fig. 3 is the structure top view of Combined hydraulic jump bit rig;
In figure: 1, attitude large arm, 2, drilling tool clamper, 3, attitude rotary body, 4, attitude principal arm, 5, hoist engine, 6, liftable pipe-reeling device, 7, integral-rack, 8, creeper undercarriage, 9, upper unit head, 10, drilling rod, 11, lower unit head, 12, Combined hydraulic jump bit drill bit, 13, power source I, 14, power source II.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
A kind of Combined hydraulic jump bit rig, comprises dual power source, integral-rack 7, creeper undercarriage 8, attitude mechanism, liftable pipe-reeling device 6, upper unit head 9, lower unit head 11, hoist engine 5, drilling tool clamper 2, Combined hydraulic jump bit drill bit 12; It is characterized in that: described creeper undercarriage 8, is driven by hydraulic speed reducer, integral-rack 7 is installed on described creeper undercarriage 8; Integral-rack 7 is provided with dual power source, attitude mechanism, upper unit head 9, lower unit head 11, liftable pipe-reeling device 6, Combined hydraulic jump bit drill bit 12; Dual power source, hoist engine 5 and liftable pipe-reeling device 6 are positioned at integral-rack 7 rear portion, and dual power source provides power for rig, and hoist engine 5 and liftable pipe-reeling device 6 are simultaneously for rig provides counterweight; Described attitude mechanism is positioned at the front portion of integral-rack 7, and attitude mechanism comprises attitude principal arm 4, attitude rotary body 3 and attitude large arm 1; Upper unit head 9 is arranged in attitude large arm 1, and is driven by hydraulic jack, and upper unit head 9 is along attitude large arm 1 horizontal cross and move up and down; Drilling tool clamper 2 is arranged on attitude large arm 1 lower end, loads and unloads drilling rod 10; Lower unit head 11 is connected at the bottom of the hole of the boring that rig bores by drilling rod 10, drive Combined hydraulic jump bit drill bit 12 to rotate; Combined hydraulic jump bit drill bit 12 is positioned at the bottom of the hole of the boring that rig bores, to realize drilling construction by drilling rod 10 connection.
Described power source is dual power source, comprises power source I13, power source II14; Wherein power source I13 drives the execution working cell of whole rig, comprise that creeper undercarriage 8 is walked, attitude mechanism carries out pose adjustment, upper unit head 9 rotates, lower unit head 11 rotates, rising of liftable pipe winding mechanism 6 pipe crimping, Combined hydraulic jump bit drill bit 12 is pulled out, and drilling tool clamper 2 clamps; At the bottom of power source II14 drive hole, Combined hydraulic jump bit drill bit 12 works.
Described liftable pipe-reeling device 6 is the raise-lower hydraulic oil pipe device of identical tension, along with the direction of motion of Combined hydraulic jump bit drill bit 12 at the bottom of hole rises or decline hydraulic oil pipe; Whole pipe winding mechanism can overallly rise or decline to facilitate transport.
Upper unit head 9 drives drilling rod 10 to load and unload; Lower unit head 11 drives Combined hydraulic jump bit drill bit 12 to rotate, and to realize drilling rod 10 and hydraulic oil pipe probes into bottom drill hole of drilling machine can not rotate with Combined hydraulic jump bit drill bit 12, but Combined hydraulic jump bit drill bit 12 needs the function that rotates.
Upper unit head 9 energy sidesway overturns to the side of attitude large arm 1, to facilitate transport simultaneously.
Drilling tool clamper 2 is can the clamper of opening-closing structure, makes major diameter drill bit when landing by drilling tool clamper 2.
The boring mud of discharging in boring procedure is discharged, so unit head 9 is equipped with scum pipe device on rig by Pump breath countercirculate or pumping normal circulation technology.
Described rig uses Combined hydraulic jump bit bit operation, and hydraulic means at the bottom of the holes such as hydraulic pressure Double-wheel milling also can be used to carry out diaphragm wall tunneling construction.
Attitude principal arm 4 is connected on integral-rack 7, and attitude large arm 1 is connected with attitude principal arm 4 by attitude rotary body 3.Attitude large arm 1, attitude rotary body 3, attitude principal arm 4 are that the power of adjustment drill bit works.
Liftable pipe-reeling device 6 provides hydraulic oil pipe to the hydraulic drive process of execution unit for dual power source.
The course of work that the present invention carries out holing is as follows:
During drilling construction: Combined hydraulic jump bit rig crawls into fixed point pile driving position by creeper undercarriage 8; By adjustment attitude large arm 1, attitude rotary body 3, attitude principal arm 4, the center of unit head 9, drilling tool clamper 2 is made to aim at fixed point piling position; Upper unit head 9 installs drilling rod 10, lower unit head 11 and Combined hydraulic jump bit drill bit 12 by rotating, and opens Combined hydraulic jump bit drill bit 12; Hydraulic jack drives upper power 9 directly to drive lower unit head 11 and Combined hydraulic jump bit drill bit 12 to drop at the bottom of hole, and the hydraulic hammer that lower unit head 11 drives Combined hydraulic jump bit drill bit 12 to rotate Combined hydraulic jump bit drill bit 12 simultaneously impacts to complete construction operation.Simultaneously liftable pipe-reeling device 6 starts, make hydraulic oil pipe along with the decline of Combined hydraulic block stamp drill bit 12 or rising synchronization action.
Constructed trip-out time: upper unit head 9 sidesway is to the side of attitude large arm 1, and hoist engine 5 is risen by wire rope drive drilling rod 10, lower unit head 11, Combined hydraulic jump bit drill bit 12; Drilling rod 10 to Combined hydraulic jump bit drill bit 12 rises on ground completely, attitude large arm 1 li to use drilling tool clamper 2 to unload, and completes trip-out.
Claims (10)
1. a Combined hydraulic jump bit rig, comprises dual power source, integral-rack (7), creeper undercarriage (8), attitude mechanism, liftable pipe-reeling device (6), upper unit head (9), lower unit head (11), hoist engine (5), drilling tool clamper (2), Combined hydraulic jump bit drill bit (12); It is characterized in that: described creeper undercarriage (8), is driven by hydraulic speed reducer, integral-rack (7) is installed on described creeper undercarriage (8); Integral-rack (7) is provided with dual power source, attitude mechanism, upper unit head (9), lower unit head (11), liftable pipe-reeling device (6), Combined hydraulic jump bit drill bit (12); Dual power source, hoist engine (5) and liftable pipe-reeling device (6) are positioned at integral-rack (7) rear portion, dual power source provides power for rig, and hoist engine (5) and liftable pipe-reeling device (6) are simultaneously for rig provides counterweight; Described attitude mechanism is positioned at the front portion of integral-rack (7), and attitude mechanism comprises attitude principal arm (4), attitude rotary body (3) and attitude large arm (1); Upper unit head (9) is arranged in attitude large arm (1), and is driven by hydraulic jack, and upper unit head (9) is along attitude large arm (1) horizontal cross and move up and down; Drilling tool clamper (2) is arranged on attitude large arm (1) lower end, loads and unloads drilling rod (10); Lower unit head (11) is connected at the bottom of the hole of the boring that rig bores by drilling rod (10), drives Combined hydraulic jump bit drill bit (12) to rotate; Combined hydraulic jump bit drill bit (12) is positioned at the bottom of the hole of the boring that rig bores, to realize drilling construction by drilling rod (10) connection.
2. Combined hydraulic jump bit rig according to claim 1, is characterized in that: rig uses Combined hydraulic jump bit drill bit (12) to carry out construction operation.
3. Combined hydraulic jump bit drill bit according to claim 2, it is characterized in that: described Combined hydraulic jump bit drill bit (12) is made up of one or more groups hydraulic impact hammer module, hydraulic impact hammer module can also can each module independently use in molar behavior use.
4. Combined hydraulic jump bit rig according to claim 1, is characterized in that: described power source is dual power source, comprises power source I (13), power source II (14); Wherein power source I (13) drives the execution working cell of whole rig, comprise that creeper undercarriage (8) is walked, attitude mechanism carries out pose adjustment, upper unit head (9) rotates, lower unit head (11) rotation, rising of liftable pipe winding mechanism (6) pipe crimping, Combined hydraulic jump bit drill bit (12) are pulled out, and drilling tool clamper (2) clamps; Combined hydraulic jump bit drill bit (12) work at the bottom of power source II (14) drive hole.
5. Combined hydraulic jump bit rig according to claim 1, it is characterized in that: the raise-lower hydraulic oil pipe device that described liftable pipe-reeling device (6) is identical tension, along with the direction of motion of Combined hydraulic jump bit drill bit (12) at the bottom of hole rises or decline hydraulic oil pipe; Whole pipe winding mechanism can overallly rise or decline to facilitate transport.
6. Combined hydraulic jump bit rig according to claim 1, is characterized in that: upper unit head (9) drives drilling rod (10) handling; Lower unit head (11) drives Combined hydraulic jump bit drill bit (12) to rotate, to realize drilling rod (10) and hydraulic oil pipe probes into bottom drill hole of drilling machine can not rotate with Combined hydraulic jump bit drill bit (12), but Combined hydraulic jump bit drill bit (12) needs the function that rotates.
7. Combined hydraulic jump bit rig according to claim 1, is characterized in that: upper unit head (9) energy sidesway overturns to the side of attitude large arm (1), to facilitate transport simultaneously.
8. Combined hydraulic jump bit rig according to claim 1, is characterized in that: drilling tool clamper (2) is can the clamper of opening-closing structure, makes major diameter drill bit when landing by drilling tool clamper (2).
9. Combined hydraulic jump bit rig according to claim 1, is characterized in that: it discharges the boring mud of discharging in boring procedure, so unit head (9) is equipped with scum pipe device on rig by Pump breath countercirculate or pumping normal circulation technology.
10. Combined hydraulic jump bit rig according to claim 1, is characterized in that: rig uses Combined hydraulic jump bit bit operation, and hydraulic means at the bottom of the holes such as hydraulic pressure Double-wheel milling also can be used to carry out diaphragm wall tunneling construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740085.7A CN104594802B (en) | 2014-12-05 | 2014-12-05 | A kind of Combined hydraulic impacts hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410740085.7A CN104594802B (en) | 2014-12-05 | 2014-12-05 | A kind of Combined hydraulic impacts hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104594802A true CN104594802A (en) | 2015-05-06 |
| CN104594802B CN104594802B (en) | 2017-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410740085.7A Active CN104594802B (en) | 2014-12-05 | 2014-12-05 | A kind of Combined hydraulic impacts hammer |
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| CN (1) | CN104594802B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401878A (en) * | 2015-12-03 | 2016-03-16 | 山河智能装备股份有限公司 | Drilling machine for large-diameter down hole hammer |
| CN109736704A (en) * | 2019-03-06 | 2019-05-10 | 黑龙江大东机械有限责任公司 | A kind of clean-out machine and its construction method |
| CN111894453A (en) * | 2020-08-06 | 2020-11-06 | 杨凌职业技术学院 | Piling equipment for building construction |
| CN112502612A (en) * | 2020-12-28 | 2021-03-16 | 赵引儿 | Oil drilling machine with soil discharging and oil pumping functions |
| CN114233177A (en) * | 2021-12-14 | 2022-03-25 | 唐山首钢马兰庄铁矿有限责任公司 | Pneumatic impact rock drilling through hole device for blast hole of underground medium-length hole |
| CN116065561A (en) * | 2023-04-04 | 2023-05-05 | 中铁十九局集团第三工程有限公司 | Ramming device for roadbed construction and use method thereof |
| CN117605405A (en) * | 2023-11-22 | 2024-02-27 | 北京优博林机械设备有限公司 | Multi-power head combined multifunctional drilling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401878A (en) * | 2015-12-03 | 2016-03-16 | 山河智能装备股份有限公司 | Drilling machine for large-diameter down hole hammer |
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| CN109736704B (en) * | 2019-03-06 | 2023-09-05 | 黑龙江大东机械有限责任公司 | Reverse circulation drilling machine and construction method thereof |
| CN111894453A (en) * | 2020-08-06 | 2020-11-06 | 杨凌职业技术学院 | Piling equipment for building construction |
| CN112502612A (en) * | 2020-12-28 | 2021-03-16 | 赵引儿 | Oil drilling machine with soil discharging and oil pumping functions |
| CN114233177A (en) * | 2021-12-14 | 2022-03-25 | 唐山首钢马兰庄铁矿有限责任公司 | Pneumatic impact rock drilling through hole device for blast hole of underground medium-length hole |
| CN114233177B (en) * | 2021-12-14 | 2024-03-22 | 唐山首钢马兰庄铁矿有限责任公司 | Pneumatic impact rock drilling through hole device for underground medium-length hole blast hole |
| CN116065561A (en) * | 2023-04-04 | 2023-05-05 | 中铁十九局集团第三工程有限公司 | Ramming device for roadbed construction and use method thereof |
| CN117605405A (en) * | 2023-11-22 | 2024-02-27 | 北京优博林机械设备有限公司 | Multi-power head combined multifunctional drilling machine |
| CN117605405B (en) * | 2023-11-22 | 2024-04-16 | 北京优博林机械设备有限公司 | Multi-power head combined multifunctional drilling machine |
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| Publication number | Publication date |
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| CN104594802B (en) | 2017-08-11 |
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